Part 77 - Mandatory Safety Standards, Surface Coal Mines and Surface Work Areas of Underground Coal Mines  


Subpart A - General
§ 77.1 - Scope.
§ 77.2 - Definitions.
Subpart B - Qualified and Certified Persons
§ 77.100 - Certified person.
§ 77.101 - Tests for methane and for oxygen deficiency; qualified person.
§ 77.102 - Tests for methane; oxygen deficiency; qualified person, additional requirement.
§ 77.103 - Electrical work; qualified person.
§ 77.104 - Repair of energized surface high-voltage lines; qualified person.
§ 77.105 - Qualified hoistman; slope or shaft sinking operation; qualifications.
§ 77.106 - Records of certified and qualified persons.
§ 77.107 - Training programs.
§ 77.107-1 - Plans for training programs.
Subpart C - Surface Installations
§ 77.200 - Surface installations; general.
§ 77.201 - Methane content in surface installations.
§ 77.202 - Dust accumulations in surface installations.
§ 77.203 - Use of material or equipment overhead; safeguards.
§ 77.204 - Openings in surface installations; safeguards.
§ 77.205 - Travelways at surface installations.
§ 77.206 - Ladders; construction; installation and maintenance.
§ 77.207 - Illumination.
§ 77.208 - Storage of materials.
§ 77.209 - Surge and storage piles.
§ 77.210 - Hoisting of materials.
§ 77.211 - Draw-off tunnels; stockpiling and reclaiming operations; general.
§ 77.212 - Draw-off tunnel ventilation fans; installation.
§ 77.213 - Draw-off tunnel escapeways.
§ 77.214 - Refuse piles; general.
§ 77.215 - Refuse piles; construction requirements.
§ 77.216 - Water, sediment, or slurry impoundments and impounding structures; general.
§ 77.217 - Definitions.
§ 77.201-1 - Tests for methane; qualified person; use of approved device.
§ 77.211-1 - Continuous methane monitoring device; installation and operation; automatic deenergization of electric equipment.
§ 77.201-2 - Methane accumulations; change in ventilation.
§ 77.215-1 - Refuse piles; identification.
§ 77.215-2 - Refuse piles; reporting requirements.
§ 77.215-3 - Refuse piles: certification.
§ 77.215-4 - Refuse piles; abandonment.
§ 77.216-1 - Water, sediment or slurry impoundments and impounding structures; identification.
§ 77.216-2 - Water, sediment, or slurry impoundments and impounding structures; minimum plan requirements; changes or modifications; certification.
§ 77.216-3 - Water, sediment, or slurry impoundments and impounding structures; inspection requirements; correction of hazards; program requirements.
§ 77.216-4 - Water, sediment or slurry impoundments and impounding structures; reporting requirements; certification.
§ 77.216-5 - Water, sediment or slurry impoundments and impounding structures; abandonment.
Subpart D - Thermal Dryers
§ 77.300 - Thermal dryers; general.
§ 77.301 - Dryer heating units; operation.
§ 77.302 - Bypass stacks.
§ 77.303 - Hot gas inlet chamber dropout doors.
§ 77.304 - Explosion release vents.
§ 77.305 - Access to drying chambers, hot gas inlet chambers and ductwork; installation and maintenance.
§ 77.306 - Fire protection.
§ 77.307 - Thermal dryers; location and installation; general.
§ 77.308 - Structures housing other facilities; use of partitions.
§ 77.309 - Visual check of system equipment.
§ 77.310 - Control panels.
§ 77.311 - Alarm devices.
§ 77.312 - Fail safe monitoring systems.
§ 77.313 - Wet-coal feedbins; low-level indicators.
§ 77.314 - Automatic temperature control instruments.
§ 77.315 - Thermal dryers; examination and inspection.
§ 77.309-1 - Control stations; location.
Subpart E - Safeguards for Mechanical Equipment
§ 77.400 - Mechanical equipment guards.
§ 77.401 - Stationary grinding machines; protective devices.
§ 77.402 - Hand-held power tools; safety devices.
§ 77.403 - Mobile equipment; falling object protective structures (FOPS).
§ 77.404 - Machinery and equipment; operation and maintenance.
§ 77.405 - Performing work from a raised position; safeguards.
§ 77.406 - Drive belts.
§ 77.407 - Power-driven pulleys.
§ 77.408 - Welding operations.
§ 77.409 - Shovels, draglines, and tractors.
§ 77.410 - Mobile equipment; automatic warning devices.
§ 77.411 - Compressed air and boilers; general.
§ 77.412 - Compressed air systems.
§ 77.413 - Boilers.
§ 77.403-1 - Mobile equipment; rollover protective structures (ROPS).
§ 77.403-2 - Incorporation by reference.
§ 77.403a - Mobile equipment; rollover protective structures (ROPS).
§ 77.403b - Incorporation by reference.
Subpart F - Electrical Equipment - General
§ 77.500 - Electric power circuits and electric equipment; deenergization.
§ 77.501 - Electric distribution circuits and equipment; repair.
§ 77.502 - Electric equipment; examination, testing, and maintenance.
§ 77.503 - Electric conductors; capacity and insulation.
§ 77.504 - Electrical connections or splices; suitability.
§ 77.505 - Cable fittings; suitability.
§ 77.506 - Electric equipment and circuits; overload and short-circuit protection.
§ 77.507 - Electric equipment; switches.
§ 77.508 - Lightning arresters, ungrounded and exposed power conductors and telephone wires.
§ 77.509 - Transformers; installation and guarding.
§ 77.510 - Resistors; location and guarding.
§ 77.511 - Danger signs at electrical installations.
§ 77.512 - Inspection and cover plates.
§ 77.513 - Insulating mats at power switches.
§ 77.514 - Switchboards; passageways and clearance.
§ 77.515 - Bare signal or control wires; voltage.
§ 77.516 - Electric wiring and equipment; installation and maintenance.
§ 77.501-1 - Qualified person.
§ 77.502-1 - Qualified person.
§ 77.502-2 - Electric equipment; frequency of examination and testing.
§ 77.503-1 - Electric conductors.
§ 77.506-1 - Electric equipment and circuits; overload and short circuit protection; minimum requirements.
§ 77.508-1 - Lightning arresters; wires entering buildings.
Subpart G - Trailing Cables
§ 77.600 - Trailing cables; short-circuit protection; disconnecting devices.
§ 77.601 - Trailing cables or portable cables; temporary splices.
§ 77.602 - Permanent splicing of trailing cables.
§ 77.603 - Clamping of trailing cables to equipment.
§ 77.604 - Protection of trailing cables.
§ 77.605 - Breaking trailing cable and power cable connections.
§ 77.606 - Energized trailing cables; handling.
§ 77.606-1 - Rubber gloves; minimum requirements.
Subpart H - Grounding
§ 77.700-1 - Approved methods of grounding.
§ 77.700 - Grounding metallic sheaths, armors, and conduits enclosing power conductors.
§ 77.701 - Grounding metallic frames, casings, and other enclosures of electric equipment.
§ 77.702 - Protection other than grounding.
§ 77.703 - Grounding frames of stationary high-voltage equipment receiving power from ungrounded delta systems.
§ 77.704 - Work on high-voltage lines; deenergizing and grounding.
§ 77.705 - Guy wires; grounding.
§ 77.701-1 - Approved methods of grounding of equipment receiving power from ungrounded alternating current power systems.
§ 77.701-2 - Approved methods of grounding metallic frames, casings, and other enclosures of electric equipment receiving power from a direct-current power system.
§ 77.701-3 - Grounding wires; capacity.
§ 77.701-4 - Use of grounding connectors.
§ 77.703-1 - Approved methods of grounding.
§ 77.704-1 - Work on high-voltage lines.
§ 77.704-2 - Repairs to energized high-voltage lines.
§ 77.704-3 - Work on energized high-voltage surface lines; reporting.
§ 77.704-4 - Simultaneous repairs.
§ 77.704-5 - Installation of protective equipment.
§ 77.704-6 - Protective clothing; use and inspection.
§ 77.704-7 - Protective equipment; inspection.
§ 77.704-8 - Protective equipment; testing and storage.
§ 77.704-9 - Operating disconnecting or cutout switches.
§ 77.704-10 - Tying into energized high-voltage surface circuits.
§ 77.704-11 - Use of grounded messenger wires; ungrounded systems.
Subpart I - Surface High-Voltage Distribution
§ 77.800-1 - Testing, examination, and maintenance of circuit breakers; procedures.
§ 77.800-2 - Testing, examination, and maintenance of circuit breakers; record.
§ 77.800 - High-voltage circuits; circuit breakers.
§ 77.801 - Grounding resistors.
§ 77.802 - Protection of high-voltage circuits; neutral grounding resistors; disconnecting devices.
§ 77.803 - Fail safe ground check circuits on high-voltage resistance grounded systems.
§ 77.804 - High-voltage trailing cables; minimum design requirements.
§ 77.805 - Cable couplers and connection boxes; minimum design requirements.
§ 77.806 - Connection of single-phase loads.
§ 77.807 - Installation of high-voltage transmission cables.
§ 77.808 - Disconnecting devices.
§ 77.809 - Identification of circuit breakers and disconnecting switches.
§ 77.810 - High-voltage equipment; grounding.
§ 77.811 - Movement of portable substations and transformers.
§ 77.801-1 - Grounding resistors; continuous current rating.
§ 77.803-1 - Fail safe ground check circuits; maximum voltage.
§ 77.803-2 - Ground check systems not employing pilot check wires; approval by the Secretary.
§ 77.807-1 - High-voltage powerlines; clearances above ground.
§ 77.807-2 - Booms and masts; minimum distance from high-voltage lines.
§ 77.807-3 - Movement of equipment; minimum distance from high-voltage lines.
Subpart J - Low- and Medium-Voltage Alternating Current Circuits
§ 77.900-1 - Testing, examination, and maintenance of circuit breakers; procedures.
§ 77.900-2 - Testing, examination, and maintenance of circuit breakers; record.
§ 77.900 - Low- and medium-voltage circuits serving portable or mobile three-phase alternating current equipment; circuit breakers.
§ 77.901 - Protection of low- and medium-voltage three-phase circuits.
§ 77.902 - Low- and medium-voltage ground check monitor circuits.
§ 77.903 - Disconnecting devices.
§ 77.904 - Identification of circuit breakers.
§ 77.905 - Connection of single-phase loads.
§ 77.906 - Trailing cables supplying power to low-voltage mobile equipment; ground wires and ground check wires.
§ 77.901-1 - Grounding resistor; continuous current rating.
§ 77.902-1 - Fail safe ground check circuits; maximum voltage.
§ 77.902-2 - Approved ground check systems not employing pilot check wires.
§ 77.902-3 - Attachment of ground conductors and ground check wires to equipment frames; use of separate connections.
Subpart K - Ground Control
§ 77.1000-1 - Filing of plan.
§ 77.1000 - Highwalls, pits and spoil banks; plans.
§ 77.1001 - Stripping; loose material.
§ 77.1002 - Box cuts; spoil material placement.
§ 77.1003 - Benches.
§ 77.1004 - Ground control; inspection and maintenance; general.
§ 77.1005 - Scaling highwalls; general.
§ 77.1006 - Highwalls; men working.
§ 77.1007 - Drilling; general.
§ 77.1008 - Relocation of drills; safeguards.
§ 77.1009 - Drill; operation.
§ 77.1010 - Collaring holes.
§ 77.1011 - Drill holes; guarding.
§ 77.1012 - Jackhammers; operation; safeguards.
§ 77.1013 - Air drills; safeguards.
Subpart L - Fire Protection
§ 77.1100 - Fire protection; training and organization.
§ 77.1101 - Escape and evacuation; plan.
§ 77.1102 - Warning signs; smoking and open flame.
§ 77.1103 - Flammable liquids; storage.
§ 77.1104 - Accumulations of combustible materials.
§ 77.1105 - Internal combustion engines; fueling.
§ 77.1106 - Battery-charging stations; ventilation.
§ 77.1107 - Belt conveyors.
§ 77.1108 - Firefighting equipment; requirements; general.
§ 77.1109 - Quantity and location of firefighting equipment.
§ 77.1110 - Examination and maintenance of firefighting equipment.
§ 77.1111 - Welding, cutting, soldering; use of fire extinguisher.
§ 77.1112 - Welding, cutting, or soldering with arc or flame; safeguards.
§ 77.1108-1 - Type and capacity of firefighting equipment.
Subpart M - Maps
§ 77.1200 - Mine map.
§ 77.1201 - Certification of mine maps.
§ 77.1202 - Availability of mine map.
Subpart N - Explosives and Blasting
§ 77.1300 - Explosives and blasting.
§ 77.1301 - Explosives; magazines.
§ 77.1302 - Vehicles used to transport explosives.
§ 77.1303 - Explosives, handling and use.
§ 77.1304 - Blasting agents; special provisions.
Subpart O - Personnel Hoisting
§ 77.1400 - Personnel hoists and elevators.
§ 77.1401 - Automatic controls and brakes.
§ 77.1402 - Rated capacity.
§ 77.1403 - Daily examination of hoisting equipment.
§ 77.1404 - Certifications and records of daily examinations.
§ 77.1405 - Operation of hoisting equipment after repairs.
Wire Ropes
§ 77.1430 - Wire ropes; scope.
§ 77.1431 - Minimum rope strength.
§ 77.1432 - Initial measurement.
§ 77.1433 - Examinations.
§ 77.1434 - Retirement criteria.
§ 77.1435 - Load end attachments.
§ 77.1436 - Drum end attachment.
§ 77.1437 - End attachment retermination.
§ 77.1438 - End attachment replacement.
§ 77.1402-1 - Maximum load; posting.
Subpart P - Auger Mining
§ 77.1500 - Auger mining; planning.
§ 77.1501 - Auger mining; inspections.
§ 77.1502 - Auger holes; restriction against entering.
§ 77.1503 - Augering equipment; overhead protection.
§ 77.1504 - Auger equipment; operation.
§ 77.1505 - Auger holes; blocking.
Subpart Q - Loading and Haulage
§ 77.1600 - Loading and haulage; general.
§ 77.1601 - Transportation of persons; restrictions.
§ 77.1602 - Use of aerial tramways to transport persons.
§ 77.1603 - Trains and locomotives; authorized persons.
§ 77.1604 - Transportation of persons; overcrowding.
§ 77.1605 - Loading and haulage equipment; installations.
§ 77.1606 - Loading and haulage equipment; inspection and maintenance.
§ 77.1607 - Loading and haulage equipment; operation.
§ 77.1608 - Dumping facilities.
Subpart R - Miscellaneous
§ 77.1710-1 - Distinctively colored hard hats or hard caps; identification for newly employed, inexperienced miners.
§ 77.1700 - Communications in work areas.
§ 77.1701 - Emergency communications; requirements.
§ 77.1702 - Arrangements for emergency medical assistance and transportation for injured persons; reporting requirements; posting requirements.
§ 77.1703 - First-Aid training; supervisory employees.
§ 77.1704 - First aid training program; availability of instruction to all miners.
§ 77.1705 - First aid training program; retraining of supervisory employees; availability to all miners.
§ 77.1706 - First aid training program; minimum requirements.
§ 77.1707 - First aid equipment; location; minimum requirements.
§ 77.1708 - Safety program; instruction of persons employed at the mine.
§ 77.1709 - Safety training; inexperienced employees.
§ 77.1710 - Protective clothing; requirements.
§ 77.1711 - Smoking prohibition.
§ 77.1712 - Reopening mines; notification; inspection prior to mining.
§ 77.1713 - Daily inspection of surface coal mine; certified person; reports of inspection.
Subpart S - Trolley Wires and Trolley Feeder Wires
§ 77.1800 - Cutout switches.
§ 77.1801 - Overcurrent protection.
§ 77.1802 - Insulation of trolley wires, trolley feeder wires and bare signal wires; guarding of trolley wires and trolley feeder wires.
§ 77.1801-1 - Devices for overcurrent protection.
Subpart T - Slope and Shaft Sinking
§ 77.1900-1 - Compliance with approved slope and shaft sinking plans.
§ 77.1900 - Slopes and shafts; approval of plans.
§ 77.1901 - Preshift and onshift inspections; reports.
§ 77.1902 - Drilling and mucking operations.
§ 77.1903 - Hoists and hoisting; minimum requirements.
§ 77.1904 - Communications between slope and shaft bottoms and hoist operators.
§ 77.1905 - Hoist safeguards; general.
§ 77.1906 - Hoists; daily inspection.
§ 77.1907 - Hoist construction; general.
§ 77.1908 - Hoist installations; use.
§ 77.1909 - Explosives and blasting; use of permissible explosives and shot-firing units.
§ 77.1910 - Explosives and blasting; general.
§ 77.1911 - Ventilation of slopes and shafts.
§ 77.1912 - Ladders and stairways.
§ 77.1913 - Fire-resistant wood.
§ 77.1914 - Electrical equipment.
§ 77.1915 - Storage and handling of combustible materials.
§ 77.1916 - Welding, cutting, and soldering; fire protection.
§ 77.1901-1 - Methane and oxygen deficiency tests; approved devices.
§ 77.1902-1 - Permissible diesel-powered equipment.
§ 77.1908-1 - Hoist operation; qualified hoistman.
§ 77.1909-1 - Use of nonpermissible explosives and nonpermissible shot-firing units; approval by Health and Safety District Manager.
Subpart U - Approved Books and Records
Subpart V - Safety Program for Surface Mobile Equipment
§ 77.2100 - Purpose and scope.
§ 77.2101 - Definitions.
§ 77.2102 - Written safety program.
§ 77.2103 - Requirements for written safety program.
§ 77.2104 - Record and inspection.